Argo AEI1G 50 EMX Manual

TECHNICAL DATA
& SERVICE MANUAL
OUTDOOR UNIT: AEI1G 42 EMX
AEI1G 50 EMX
SPLIT SYSTEM AIR CONDITIONER
May 2016
iSeries
AEI1G 42-50 EMX

2
TABLE OF CONTENTS
1SCOPE...................................................................................................................................4
2DIMENSIONAL DATA AND EXTERIOR APPEARANCE...........................................5
3TECHNICAL SPECIFICATIONS .....................................................................................6
4REFRIGERANT CIRCUIT .................................................................................................8
5ELECTRICAL IRING DIAGRAM .................................................................................9
6PRINCIPLE OF FUNCTIONING...................................................................................11
7COMPONENTS OPERATION.........................................................................................14
8DEFROST............................................................................................................................16
9PROTECTIONS .................................................................................................................18
10 COMPONENT DESCRIPTION .......................................................................................19
11 DIAGNOSTIC TABLE ......................................................................................................22
12 TROUBLESHOOTING......................................................................................................23
13 COMPONENT REPLACEMENT ......................................................................................27
14 PACKAGING......................................................................................................................35
15 LABELS ...............................................................................................................................36

3
REVISION NOTES
Rev. Date Author Checked Comments
00 2 /03/20 6
GV MDG First release.
0 07/04/20 6
GV MDG
Added page numbers. Modified component replacement
section to be more easy to read. Updated troubleshooting
and diagnostic tables.

4
1Scope
This specification document is applied to the outdoor units mentioned below used for air to air
and air to water heat pump to be delivered to NIBE AB.
UNIT MODEL TABLE
* cross reference with similar ARGO models.
DECLARATION OF CONFORMITY “CE”
Units described in this document conform with the following EU directives.
Relevant EU Directives:
•the EMC Directive 20 4/30/EU
•the Low Voltage Directive 20 4/35/EU
•the Machinery Directive2006/42/EC
•the PED Directive 20 4/68/EU
•the RoHS 2 directive 20 /65/UE + 20 5/863/EU amending ANNEX II
•Energy Related Products (ErP) Directive 2009/ 25/EC
Applied Standards / Regulations:
•EN378-2:2008+A :2009
•EN60335- :20 2
•EN60335-2-40:2003+A :2004+A 2:2005+A :2006+A2:2009+A 3:20 2
•EN62233:2008
•EN550 4- :2006+A :2009+A2:20
•EN550 4-2: 997+A :200 +A2:2008
•EN6 000-3-2:20 4
•EN6 000-3-3:20 3
•EU Regulation no. 206/20 2 concerning Ecodesign requirements for air conditioners and
comfort fans
•EU Regulation no. 626/20 concerning of Energy labelling of air conditioners
COD MODEL
387007219
387007216 AEI1G42EMX U.E.
AEI1G50EMX U.E.

5
2Dimensional data and exterior appearance
Exterior appearance – color Top/front and side panel: silver
(F 936)
Fan Guard and valve covering: gray
(RAL7042)
Material Panel: zinc-coated steel sheet
Fan guard and valve covering: polypropylene
Painting 2 layers,
20 µ or more for electro coating (lower layer)
40 µ or more for polyester powder paint coating (top layer)
Total Coating thickness is 60 µ or more.
240 hrs salt spray test
AEI1G 42-50 EMX

6
3Technical specifications
AIR AIR
COOLING Pdesignc kW 4,3
+35°C SEER 6,5 A++
HEATING Pdesignh kW 3,4
Average - 0°C SCOP 4, A+
ERP Ecodesign - EN14825
COOLING
Maximum kW 4,3
+35°C OU / 27/ 9°C IU
HEATING
Maximum kW 5,8 + 2/ °C OU / +20°C IU
+7/6°C OU / +20°C IU Maximum kW 5,2
+2/ °C OU / + 20° C IU Maximum kW 2,8
-7/-8°C OU / + 20° C IU Maximum kW 3,0
- 0/- °C OU / + 20° C IU Maximum kW 2,9
EN14511
Power supply V/Ph/Hz 230/ /50
Power input (max.) W/A 790/7,80
R4 0A standard refrigerant charge kg ,3
Compressor type Twin Rotary
Fan speed Auto
Sound pressure (max.) dB(A) 4
Liquid pipe mm (inch") 6,35 ( /4")
Gas pipe mm (inch") 9,52 (3/8)"
Total lenght of pipes (standard load) m Dual 5/Mono 7,5
Total lenght of pipes (additional load) m Dual 30/Mono 20
Single unit lenght of pipes (standard load) m Dual 2
Single unit lenght of pipes (additional load) m Dual 25
Max height difference between unit (OU/IU) m 0
Max height difference between unit (IU/IU) m 5
AEI1G 42 EMX

7
AIR AIR
COOLING Pdesignc kW 5,4
+35°C SEER 6,4 A++
HEATING Pdesignh kW 4,3
Average - 0°C SCOP 4,0 A+
ERP Ecodesign - EN14825
COOLING
Maximum kW 5,9
+35°C OU / 27/ 9°C IU
HEATING
Maximum kW 6,7 + 2/ °C OU / +20°C IU
+7/6°C OU / +20°C IU Maximum kW 6,0
+2/ °C OU / +20°C IU Maximum kW 3,7
-7/-8°C OU / +20°C IU Maximum kW 3,9
- 0/- °C OU /+ 20°C IU Maximum kW 3,7
EN14511
Power supply V/Ph/Hz 230/ /50
Power input (max.) W/A 790/7,80
R4 0A standard refrigerant charge kg ,3
Compressor type Twin Rotary
Fan speed Auto
Sound pressure (max.) dB(A) 4
Liquid pipe mm (inch") 6,35 ( /4")
Gas pipe mm (inch") 9,52 (3/8")
Total lenght of pipes (standard load) m Dual 5/Mono 7,5
Total lenght of pipes (additional load) m Dual 30/Mono 20
Single unit lenght of pipes (standard load) m Dual 2
Single unit lenght of pipes (additional load) m Dual 25
Max height difference between unit (OU/IU) m 0
Max height difference between unit (IU/IU) m 5
AEI1G 50 EMX

8
4Refrigerant circuit
Note:
-In heating mode the refrigerant flow is in the opposite direction of the COOL arrows
-INV: 4-way valve
-EXP: Electronic Expansion Valve
-DEF: defrost valve
-COM: Compressor
AEI1G 42-50 EMX

9
5Electrical wiring diagram
Legend
A
A2
Control pcb
Expansion pcb
OAT Outdoor Air Sensor
F Main fuse
6,3x32 - 0A / 250V
CDT Compressor Discharge Sensor
F2 Comm. Fuse, RS485 bus cable
5x20 - 00mA / 250V
OCT Outdoor Coil Sensor
SW Dip-switch EEV Electronic Expansion Valve
JP /2/3 Jumpers CCH Crankcase Heater
EF Electromagnetic Interference Filter ER Drip tray heater
CM Compressor CWP Condensate water pipe heater
FM Fan motor EI PFC Inductor
INV 4-way valve WTT Wide tube sensor
DEF Defrost valve NTT Narrow tube sensor

10
Settings
Jumpers
JP : Factory use. Default: open.
JP2: Defrost type selection. Default: closed.
JP3: Heating only option. Default: open (heating and cooling).
Dip-switch:
SW : Factory use. Default: =Off, 2=Off.
Note:
Jumper and dip-switch settings can be changed only when unit is powered off.